Tutt Library Research Guides
These parties have state affiliations or chapters in Colorado.
|American Reform Party||Communist Party USA|
(former U.S. Taxpayers)
|Green Party||Libertarian Party|
|Republican Party||Unity Party|
October 2018 - https://coloradosun.com/2018/10/15/colorado-ballots-mailed-out-date/
"Think tanks are independent organizations that engage in politics and public policy. They are distinct from political associations because they are generally not membership organizations...." (Source: Kurian, George Thomas and Jeffrey D. Schultz, Political Market Place USA, (Phoenix: Oryx Press, 1999).
These sources identify the most important think tanks.